Re: [RFC PATCH 3/5] drm/i915: register LVDS connector even if wecan't get a panel mode

From: Matthew Garrett
Date: Fri Aug 03 2012 - 12:14:20 EST


On Fri, Aug 03, 2012 at 11:02:19AM -0500, Seth Forshee wrote:
> Some Apple hybrid graphics machines do not have the LVDS panel connected
> to the integrated GPU at boot and also do not supply a VBT. The LVDS
> connector is not registered as a result, making it impossible to support
> graphics switching.
>
> This patch changes intel_lvds_init() to register the connector even if
> we can't find any panel modes. This makes it necessary to always check
> intel_lvds->fixed_mode before use, as it could now be NULL.

This one kind of sucks. I think adding a quirk for this situation would
be justifiable, rather than doing it for all devices.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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